The Buy-Sell app acts as a common platform for sellers to host numerous products for sale and buyers could browse the catalog of all the products being sold in their respective/desired city or geographical area. It connects buyers to the sellers that hold their desired products for sale.Firstly, merchants have the ability to add products to the apps inventory and include relevant information like name, price, description, and image is one of its primary features. Vendors may now reach a larger audience and readily present their products to potential customers, which may aid in boosting sales. On the other hand, customers can look through products by category and place orders with suppliers for the goods they need. They can do this to skip over unnecessary listings and select products that suit their unique requirements and preferences.Vendors can mark the request as complete in the app once the offline transaction is finished to show that the product has been sold. If they choose not to sell the item for any reason, they can also deny the request. This mechanism contributes to the smooth and effective operation of the application for both vendors and buyers all while the comfort of staying in home.